Plants may cluster the genes needed to make defense chemicals, ... View all the latest top news in the physical sciences & technology, or browse the topics below: Matter & Energy.

If you can't make time to get those shrubs, trees and perennials you bought into the ground, you can still protect them over the winter. CBS News Philadelphia Live Stream Download Our App ...

Nature Plants - Ecophysiology: Root-cluster control. Densely packed clusters of short, hairy roots enhance nutrient uptake in many plants.